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Thread: 3 Zone Climate Control is not fit for purpose for Australian conditions?

  1. #1
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    Nov 2017
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    3 Zone Climate Control is not fit for purpose for Australian conditions?

    Hi,

    I've got an All New Discovery HSE Td6. Long list of issues slowly getting addressed however to keep the thread short I wanted to focus on one issue (with the car that I can't fix) which is the aircon in the second and third row.

    Every car I've ever had or been in with Three Zone Climate control or Trizone Climate control (Ford Everest, Ford Territory, Kia Grand Carnival, Volvo XC90 to name a few) give the rear passengers independant air flow control so the driver and passenger in front have control of their airflow and temps, and the passengers in the second row have control of their own airflow and temps. That's my understanding of what 3 zone is (Driver = 1, Front passenger = 2 and the 2nd/3rd row = 3).

    The Discovery is what I would call 2.5 Zone. It allows the Front row to control airflow and temps and the second row to control temps but not their own airflow. When the 2nd row adjusts the airflow it adjusts the airflow for the ENTIRE cabin. Added to that the fact there are only tiny vents in the door pillars (yes there are some under the front seat but this is really pointless when it's hot - good for a cold climate not for a hot climate - IN MY OPINION) with no overhead vents or vents in the third row at all.

    So if I am comfortable in the front driving then the rear passengers are hot. The rear passengers put up the airflow in the second row which means I am freezing and they are now comfortable.

    Am I missing something fundamental here? Is there a way to have the 2nd row passengers have independant airflow from the front. Hope that makes sense.IMG_8434.jpgIMG_8433.jpgIMG_8432a.jpg

    Has anyone opted for the 4 zone climate control? I've asked my dealer if they have a Discovery with it so I can just see if it's better.

    Honestly I'm shocked and dismayed at being sold a 7 seater with the worst aircon in the rear that I've seen in a long time. Especially for the price I paid for the car.

    Some more questions...

    1. Is there a way to get independant airflow control in the 2nd and 3rd row?
    2. Does the 4 zone climate control provide this?
    3. Can the 4 zone climate be added now?
    4. Is there a third party way of adding better airconditioning for the 2nd and 3rd row?




    Land Rover Owner Information

  2. #2
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    Interesting!

    Have you got the Sync mode on or off on the touch screen?
    Ex 95 V8i (Azzkikr)
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    D4 2.7 TDV6 (Stormy) in Fuji White / Black Accents, E-Diff, 7 Leather Seats, Rear A/C, Bi-Xenons with LED Signature Tweaked to go



    Cheers Tombie

  3. #3
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    Quote Originally Posted by Tombie View Post
    Interesting!

    Have you got the Sync mode on or off on the touch screen?
    The sync mode only applies to the temperature from the driver side control. If I enable sync I can adjust the temps for the all four of the temp controllers but it doesn't apply to the fan speed. Fan speed is set to permanently SYNCED.

    For all intent and purpose the second row fan controller is pointless. If you want more airflow in the back you are actually just turning up the airflow for the entire cabin (not the 2nd/3rd row) so the front row is now freezing so that 2nd and 3rd row are feeling SOME air. If I'm comfortable in the front there isn't enough airflow in the back. The only way to get enough air into the back of the cabin is for me to be getting blasted with cold air.

  4. #4
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    Quote Originally Posted by meremortal View Post
    Hi,

    I've got an All New Discovery HSE Td6. Long list of issues slowly getting addressed however to keep the thread short I wanted to focus on one issue (with the car that I can't fix) which is the aircon in the second and third row.

    .........

    4. Is there a third party way of adding better airconditioning for the 2nd and 3rd row?
    Sounds odd - the second row can turn up the fans on the entire car?

    Edit - I actually queried a review of the D5 that had a photo of the two rear controllers, because they didn't make much sense unless the left and right rear seats had separate controls. Which would've suggested 4 or 5 zone aircon. But if they simply duplicate the front controls, that kind of explains it ...

    Edit, edit - might there be a control like there is in the D4 that gives the rear seats their own controls and un-synchronises them with the front? Your car looks to have the same set-up as the HSE Luxury TD6 that CarAdvice tested and that was a 4 zone system.

  5. #5
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    Quote Originally Posted by Arapiles View Post
    Sounds odd - the second row can turn up the fans on the entire car?

    Edit - I actually queried a review of the D5 that had a photo of the two rear controllers, because they didn't make much sense unless the left and right rear seats had separate controls. Which would've suggested 4 or 5 zone aircon. But if they simply duplicate the front controls, that kind of explains it ...

    Edit, edit - might there be a control like there is in the D4 that gives the rear seats their own controls and un-synchronises them with the front? Your car looks to have the same set-up as the HSE Luxury TD6 that CarAdvice tested and that was a 4 zone system.
    Yes the 2nd row controls the fans for the entire car. One fan unit for the entire car. It's all on or all off.

    I've queried the dealer, technical staff and sales staff, the "I don't know" is deafening.

    I got a response to my query from a Customer Relationship Centre Executive

    Dear Lee,

    We received your air conditioning query addressed to our Social Media Team, regarding your new Land Rover Discovery HSE.


    Regarding your request to adjust the airflow independently between the front and rear zones, if you are trying to increase the air flow from the 2nd row seats, and decrease the airflow in the front seats, unfortunately they are both part of the front zone.


    The front seats and 2nd row seats share the same fan unit. If you require further assistance, our best recommendation is to visit your selling dealer who can clarify any concerns with the operation of features in your vehicle.


    If you have any other questions, please feel free to contact us.


    Sincerely,

    ----------------------------------------------------------------------------

    It's beyond odd...I've never seen it on any car in my life. If you have a fan controller in the 2nd row it's for the second row - not for the first row.

    Definitely not what I expected and not befitting a car of this price/practicality.




















  6. #6
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    This all seems uncharacteristically low-tech for Land Rover? The D4 didn't behave like this did it?

    I wonder if the customer relations people were confusing 1st/2nd row with 2nd/3rd row? (Which would make more sense to share a fan unit)
    2010 TDV6 3.0L Discovery 4 SE, Alaska White, GME XRS-330c, IIDTool BT, GOE Compressor Plate, Hankook Dynapro AT-m RF10

  7. #7
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    Quote Originally Posted by veebs View Post
    This all seems uncharacteristically low-tech for Land Rover? The D4 didn't behave like this did it?

    I wonder if the customer relations people were confusing 1st/2nd row with 2nd/3rd row? (Which would make more sense to share a fan unit)
    There are no vents in the third row at all (which is unforgiveable for a car optioned with 7 seats IMO) and only tiny vents in the pillars in the second row (some under the seat but these are all but useless when it's hot). I've shown it to 3 staff at my dealership and they've all shrugged their shoulders sheepishly essentially saying "yes that's normal" but not wanting to be pinned down on it's "unique uselessness".

    I've asked about retrofitting the 4 zone system and am awaiting a response.

    I was hoping someone on this forum may have had the same issue or have the same model Discovery 5 HSE Td6 as I do and can comment or provide some clues or confirm it's the same for them or not (in which case mine is broken). It's so strange an oversight/function that I can't quite believe it. 2nd and 3rd row aircon is definitely not fit for purpose in this car for Australian temps.

  8. #8
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    Quote Originally Posted by veebs View Post
    This all seems uncharacteristically low-tech for Land Rover? The D4 didn't behave like this did it?
    Don't know about D4s without the rear air-con but those like mine that have the third row aircon and the second compressor have a button on the dash that allows you to switch off all the rear air, switch it on but control fan and temperature (it mirrors the driver's setting) or push again and the rear can set their own temperature (+/- what the front has), set their own fan speeds and mix the air between foot and face. It's actually a great system - except that, unlike, say, the Kia Sorento we looked at, the third row can't control their fan speed - and you can imagine how that's playing out with my kids ....

  9. #9
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    Quote Originally Posted by Arapiles View Post
    Don't know about D4s without the rear air-con but those like mine that have the third row aircon and the second compressor have a button on the dash that allows you to switch off all the rear air, switch it on but control fan and temperature (it mirrors the driver's setting) or push again and the rear can set their own temperature (+/- what the front has), set their own fan speeds and mix the air between foot and face. It's actually a great system - except that, unlike, say, the Kia Sorento we looked at, the third row can't control their fan speed - and you can imagine how that's playing out with my kids ....
    There is only one compressor,there is an extra fan unit with evaporater coil in the left rear of the vehicle.

    i must agree,the D4 set up with the 7 seats works very well,even at ambients of 42 degrees.
    paul

    D4 MY12 white,2.7(with a few more killer wasps) rear air,e diff,xenons,arb bar,7 seat ,18" bfg KO2

    2009 Defender 110 (son's)ARB
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  10. #10
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    Quote Originally Posted by scarry View Post
    There is only one compressor,there is an extra fan unit with evaporater coil in the left rear of the vehicle.

    i must agree,the D4 set up with the 7 seats works very well,even at ambients of 42 degrees.
    Ah, my bad. Re efficiency, had the uncommon experience of the child in the third row complaining that they were too cold and had too much air.

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